package com.solace.selenium.config;

import org.springframework.context.annotation.Configuration;
import org.springframework.core.Ordered;
import org.springframework.core.annotation.Order;

import javax.servlet.*;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

/**
  * 作者 MM
  * 时间 2020/6/9 17:21
  * 注释 处理跨域
  */
@Order(Ordered.HIGHEST_PRECEDENCE)
@Configuration
public class CORSFilter implements Filter {

   @Override
   public void init(FilterConfig filterConfig) throws ServletException {

   }

   @Override
   public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse, FilterChain filterChain) throws IOException, ServletException {
       HttpServletRequest request = (HttpServletRequest) servletRequest;
       HttpServletResponse response = (HttpServletResponse) servletResponse;
       response.setHeader("Access-Control-Allow-Origin", "*");
       response.setHeader("Access-Control-Allow-Credentials", "true");
       response.setHeader("Access-Control-Allow-Methods", "POST,GET,OPTIONS,PUT,DELETE,PATCH,HEAD");
       response.setHeader("Access-Control-Allow-Max-Age", "3600");
       response.setHeader("Access-Control-Allow-Headers", "*");
       if ("OPTIONS".equalsIgnoreCase(request.getMethod())) {
           response.setStatus(HttpServletResponse.SC_OK);
       } else {
           filterChain.doFilter(servletRequest, servletResponse);
       }
   }

   @Override
   public void destroy() {

   }
}